Here are some randomly selected joke topics
People
The more people I meet, the more I like my dog.
Food
What is the best day to have bacon and eggs for breakfast?
Fry-day.
Students
A student who changes the course of history is probably taking an
exam.
Waiters
Waiter, Waiter.
I'd like a glass of beer and a piece of fish.
Fillet?
Yes - right to the top.
Blondes
Q: What do you call a blonde in an institution of higher learning?
A: A visitor.
Open The Door
Knock knock.
Who's there?
Mickey.
Mickey who?
Mickey won't work, so please open the door for me!
Retiring
Doctor: The best time to take a bath is just before retiring.
Patient: You mean I don't need another bath until I'm sixty-five?
Snow
Why is it not a good idea to wear snow boots?
Because they'll melt.
Friendly
Knock, knock!
Who's there?
Cat's purr.
Cat's purr who?
Cat's purr the friendly ghost.